2 way lighting circuit diagram | Light wiringDownside(S) of The Two Wire Control SystemInduction Loops and RF interferenceErroneous Tripping of Safety/Circuit Protection EquipmentSwitch Drops from A Junction BoxThis approach if often referred to as a ‘cable saving method’ because it only needs a two wire control. This is fine when executed correctly but here is what you need to look out for: where this is used in a stairwell where you have a switch upstair and a switch downstairs there is the danger that the neutral and the live come from different lighting circuits. See Fi2 2 first reason this is BAD is on safety grounds; say we are working on the light upstairs, so we turn off the upstairs lig..See more on lightwiringLighting Circuit diagrams for 1,2 and 3 way switchingLighting Circuit Diagrams. These diagrams show various methods of one, two and multiple way switching. L and N indicate the supply. Switches are shown as dotted rectangles. Earth wires are not shown. One way switching. Single switch. The most basic circuit, with only two wires at Two-Way Lighting Circuit Wiring | SparkyFactsTwo-Way Lighting Circuit Wiring Two way switching is the most common requirement for many household and commercial lighting solutions. Whether it is the switching of a light from two different places inside a domestic dwelling or switching a series of lights in a commercial environment, two-way lighting circuits provide a cost effective and easy solution.Two way switched lighting circuits #1 - John WardLighting Circuits - Switches. This is a common method of providing two switches to control one light. It is also an easy way to add a second switch to an existing circuit. Two way switching - Plastic switches. Both switches must be of the two way type, and will have three terminals.Everything you need to know about light wiringLight wiring diagram If you need to know how to fix or modify a lighting circuit, you’re in the right place. We have and extensive collection of common lighting arrangements with detailed lighting circuit diagrams, light wiring diagrams and a breakdown of all the components used in lighting circuits.Electrics:Two way lighting - DIYnotTwo Way Lighting . Schematic. Switch terminals. Hint, if you want to make a switch opperate the oposite way up, identify which type of switch you have and swop the two right hand side terminals identified in the above diagram over. Wiring Diagrams. Two way switching is most commonly found on stairs and landings, and long corridors.